Welcome to your CHT/IAT TGT PCM Practice set-1
This practice set contains 30 question .
Each Question carries 1 mark.
There is a negative marking of 0.25 marks for each wrong response .
1.
The ionic radii of N3-, O2-, F- and Na+ follows the order
2.
If x-by+3=0 , ax+2y-3=0 are consistant and dependant . Then the values of a and b will be respectively
3.
Which of the following in case of a discrete data, is not equal to the median
4.
Three 4 ohm resistors are connected in the form of an equilateral triangle . The total resistance between any two corners is
5.
An oxide of metal has 20% oxygen , the eq. wt. of oxide is
6.
In the binomial distribution the mean of the number of heads in 15 tosses of a coin is
7.
The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is ________
8.
If a constant force is applied to mass, it moves with a uniform
9.
. A certain volume of water is taken from the surface of a lake to a depth ‘h’ . To calculate the change in its volume, we shall have to take into consideration its
10.
. A body is released from the top of the tower H metre high. It takes t second to reach the ground. Where is the body t/2 secound after release ?
11.
Two finite sets have m and n elements . The total number of subsets of the first is 56 more than the total number of subsets of the second set. The values of m and n are
12.
A body falls 16 metres in the first second of its motion , 48 metres in the second, 80 metres in the third, 112 metres in the fourth and so on. How far does it fall during the 11th second of its motion.
13.
Which of the following has the longest wavelength?
14.
Which method is used in general to obtain metal from its sulphide ore?
15.
The points of trisection of the line segment AB , joining the points (3,-2) and B(-3, 4) are
16.
. The weight of the body at the earth’s surface is W. At a depth half way to the centre of earth , it will be (assuming uniform density in earth)
17.
An inductance of 2 henry is connected in a D.C. circuit. Then the value of inductive reactance is
18.
Write 5th term of G.P. is 2, find the product of first 9 terms
19.
The number of d-electrons in Fe2+ (Z = 26) is not equal to that of.
20.
The Potassium graphite and Calcium Graphite can be mostly used as which among the following?
21.
The values of observed and calculated molecular weights of silver nitrate are 92.64 and 170 respectively . The degree of dissociation of silver nitrate is
22.
The probability of not getting a sum 7 in a single throw with a pair of dice is
23.
Two tubes A and B are in series. Radius of A is R and that of B 2R . If water flows through A with velocity then velocity of water through B is
24.
Transuranic elements are those which are
25.
. A wheel with 8 spokes is rotated in a plane normal to the earth’s magnetic field so that an emf of 4 mV is induced between the axel and rim of the wheel. Keeping all other things unchanged, the number of spokes is increased to 16. Now , the emf between the axel and the rim of the wheel is
26.
. The half-life of a radioactive element is 1580 years . How long will it take to reduce to 1/4th of its original mass ?
27.
The most commonly used bleaching agent is
28.
The critical velocity for a non-viscous liquid is
29.
The difference between two numbers is five and the difference between their squares is 65 . The larger number is
30.
How are the point (3,4) and (2,-6) situated w.r.t the line 3x-4y-8= 0 ?
Can we see the solutions …after quiz
Please sir provide solutions of numericals